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Improve reify syntax.

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This commit is contained in:
Stephen Chung
2022-02-08 09:25:53 +08:00
parent f8cee0fe4e
commit 97a8fd3d5b
5 changed files with 184 additions and 174 deletions
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20
src/api/custom_syntax.rs
View File

@@ -72,8 +72,8 @@ impl Expression<'_> {
pub fn get_string_value(&self) -> Option<&str> {
match self.0 {
#[cfg(not(feature = "no_module"))]
Expr::Variable(.., _, x) if x.1.is_some() => None,
Expr::Variable(.., _, x) => Some(x.2.as_str()),
Expr::Variable(.., x) if x.1.is_some() => None,
Expr::Variable(.., x) => Some(x.2.as_str()),
Expr::StringConstant(x, ..) => Some(x.as_str()),
_ => None,
}
@@ -94,19 +94,19 @@ impl Expression<'_> {
pub fn get_literal_value<T: Variant>(&self) -> Option<T> {
// Coded this way in order to maximally leverage potentials for dead-code removal.
match self.0 {
Expr::IntegerConstant(x, ..) => reify!(*x, |x: T| Some(x), || None),
Expr::IntegerConstant(x, ..) => reify!(*x => Option<T>),
#[cfg(not(feature = "no_float"))]
Expr::FloatConstant(x, ..) => reify!(*x, |x: T| Some(x), || None),
Expr::FloatConstant(x, ..) => reify!(*x => Option<T>),
Expr::CharConstant(x, ..) => reify!(*x, |x: T| Some(x), || None),
Expr::StringConstant(x, ..) => reify!(x.clone(), |x: T| Some(x), || None),
Expr::Variable(.., _, x) => {
Expr::CharConstant(x, ..) => reify!(*x => Option<T>),
Expr::StringConstant(x, ..) => reify!(x.clone() => Option<T>),
Expr::Variable(.., x) => {
let x: ImmutableString = x.2.clone().into();
reify!(x, |x: T| Some(x), || None)
reify!(x => Option<T>)
}
Expr::BoolConstant(x, ..) => reify!(*x, |x: T| Some(x), || None),
Expr::Unit(_) => reify!((), |x: T| Some(x), || None),
Expr::BoolConstant(x, ..) => reify!(*x => Option<T>),
Expr::Unit(..) => reify!(() => Option<T>),
_ => None,
}

14
src/func/call.rs
View File

@@ -46,11 +46,13 @@ impl<'a> ArgBackup<'a> {
/// This function replaces the first argument of a method call with a clone copy.
/// This is to prevent a pure function unintentionally consuming the first argument.
///
/// `restore_first_arg` must be called before the end of the scope to prevent the shorter lifetime from leaking.
/// `restore_first_arg` must be called before the end of the scope to prevent the shorter
/// lifetime from leaking.
///
/// # Safety
///
/// This method blindly casts a reference to another lifetime, which saves allocation and string cloning.
/// This method blindly casts a reference to another lifetime, which saves allocation and
/// string cloning.
///
/// As long as `restore_first_arg` is called before the end of the scope, the shorter lifetime
/// will not leak.
@@ -71,8 +73,8 @@ impl<'a> ArgBackup<'a> {
// Blindly casting a reference to another lifetime saves allocation and string cloning,
// but must be used with the utmost care.
//
// We can do this here because, before the end of this scope, we'd restore the original reference
// via `restore_first_arg`. Therefore this shorter lifetime does not leak.
// We can do this here because, before the end of this scope, we'd restore the original
// reference via `restore_first_arg`. Therefore this shorter lifetime does not leak.
self.orig_mut = Some(mem::replace(&mut args[0], unsafe {
mem::transmute(&mut self.value_copy)
}));
@@ -81,8 +83,8 @@ impl<'a> ArgBackup<'a> {
///
/// # Safety
///
/// If `change_first_arg_to_copy` has been called, this function **MUST** be called _BEFORE_ exiting
/// the current scope. Otherwise it is undefined behavior as the shorter lifetime will leak.
/// If `change_first_arg_to_copy` has been called, this function **MUST** be called _BEFORE_
/// exiting the current scope. Otherwise it is undefined behavior as the shorter lifetime will leak.
#[inline(always)]
fn restore_first_arg(mut self, args: &mut FnCallArgs<'a>) {
if let Some(p) = self.orig_mut.take() {

25
src/func/register.rs
View File

@@ -38,25 +38,26 @@ pub fn by_ref<T: Variant + Clone>(data: &mut Dynamic) -> DynamicWriteLock<T> {
}
/// Dereference into value.
#[inline]
#[inline(always)]
#[must_use]
pub fn by_value<T: Variant + Clone>(data: &mut Dynamic) -> T {
if TypeId::of::<T>() == TypeId::of::<&str>() {
// If T is `&str`, data must be `ImmutableString`, so map directly to it
data.flatten_in_place();
let ref_str = data.as_str_ref().expect("&str");
//let ref_t = reify!(&ref_str, |ref_t: &T| ref_t, || unreachable!());
let ref_t = unsafe { mem::transmute::<_, &T>(&ref_str) };
ref_t.clone()
} else if TypeId::of::<T>() == TypeId::of::<String>() {
// If T is `String`, data must be `ImmutableString`, so map directly to it
let t = mem::take(data).into_string().expect("`ImmutableString`");
reify!(t, |t: T| t, || unreachable!())
} else {
// We consume the argument and then replace it with () - the argument is not supposed to be used again.
// This way, we avoid having to clone the argument again, because it is already a clone when passed here.
mem::take(data).cast::<T>()
// # Safety
//
// We already checked that `T` is `&str`, so it is safe to cast here.
return unsafe { std::mem::transmute_copy::<_, T>(&ref_str) };
}
if TypeId::of::<T>() == TypeId::of::<String>() {
// If T is `String`, data must be `ImmutableString`, so map directly to it
return reify!(mem::take(data).into_string().expect("`ImmutableString`") => T);
}
// We consume the argument and then replace it with () - the argument is not supposed to be used again.
// This way, we avoid having to clone the argument again, because it is already a clone when passed here.
return mem::take(data).cast::<T>();
}
/// Trait to register custom Rust functions.

17
src/reify.rs
View File

@@ -4,9 +4,6 @@
#[macro_export]
macro_rules! reify {
($old:ident, |$new:ident : $t:ty| $code:expr, || $fallback:expr) => {{
#[allow(unused_imports)]
use std::any::Any;
if std::any::TypeId::of::<$t>() == std::any::Any::type_id(&$old) {
// SAFETY: This is safe because we check to make sure the two types are
// actually the same type.
@@ -26,4 +23,18 @@ macro_rules! reify {
($old:expr, |$new:ident : $t:ty| $code:expr) => {
reify!($old, |$new: $t| $code, || ())
};
($old:ident => Option<$t:ty>) => {
reify!($old, |v: $t| Some(v), || None)
};
($old:expr => Option<$t:ty>) => {
reify!($old, |v: $t| Some(v), || None)
};
($old:ident => $t:ty) => {
reify!($old, |v: $t| v, || unreachable!())
};
($old:expr => $t:ty) => {
reify!($old, |v: $t| v, || unreachable!())
};
}

282
src/types/dynamic.rs
View File

@@ -399,15 +399,15 @@ impl Dynamic {
#[cfg(not(feature = "no_std"))]
Union::TimeStamp(..) => TypeId::of::<Instant>(),
Union::Variant(ref v, _, ..) => (***v).type_id(),
Union::Variant(ref v, ..) => (***v).type_id(),
#[cfg(not(feature = "no_closure"))]
#[cfg(not(feature = "sync"))]
Union::Shared(ref cell, _, ..) => (*cell.borrow()).type_id(),
Union::Shared(ref cell, ..) => (*cell.borrow()).type_id(),
#[cfg(not(feature = "no_closure"))]
#[cfg(feature = "sync")]
Union::Shared(ref cell, _, ..) => (*cell.read().unwrap()).type_id(),
Union::Shared(ref cell, ..) => (*cell.read().unwrap()).type_id(),
}
}
/// Get the name of the type of the value held by this [`Dynamic`].
@@ -438,17 +438,17 @@ impl Dynamic {
#[cfg(not(feature = "no_std"))]
Union::TimeStamp(..) => "timestamp",
Union::Variant(ref v, _, ..) => (***v).type_name(),
Union::Variant(ref v, ..) => (***v).type_name(),
#[cfg(not(feature = "no_closure"))]
#[cfg(not(feature = "sync"))]
Union::Shared(ref cell, _, ..) => cell
Union::Shared(ref cell, ..) => cell
.try_borrow()
.map(|v| (*v).type_name())
.unwrap_or("<shared>"),
#[cfg(not(feature = "no_closure"))]
#[cfg(feature = "sync")]
Union::Shared(ref cell, _, ..) => (*cell.read().unwrap()).type_name(),
Union::Shared(ref cell, ..) => (*cell.read().unwrap()).type_name(),
}
}
}
@@ -464,31 +464,31 @@ impl Hash for Dynamic {
match self.0 {
Union::Unit(..) => ().hash(state),
Union::Bool(ref b, _, ..) => b.hash(state),
Union::Str(ref s, _, ..) => s.hash(state),
Union::Char(ref c, _, ..) => c.hash(state),
Union::Int(ref i, _, ..) => i.hash(state),
Union::Bool(ref b, ..) => b.hash(state),
Union::Str(ref s, ..) => s.hash(state),
Union::Char(ref c, ..) => c.hash(state),
Union::Int(ref i, ..) => i.hash(state),
#[cfg(not(feature = "no_float"))]
Union::Float(ref f, _, ..) => f.hash(state),
Union::Float(ref f, ..) => f.hash(state),
#[cfg(feature = "decimal")]
Union::Decimal(ref d, _, ..) => d.hash(state),
Union::Decimal(ref d, ..) => d.hash(state),
#[cfg(not(feature = "no_index"))]
Union::Array(ref a, _, ..) => a.as_ref().hash(state),
Union::Array(ref a, ..) => a.as_ref().hash(state),
#[cfg(not(feature = "no_index"))]
Union::Blob(ref a, _, ..) => a.as_ref().hash(state),
Union::Blob(ref a, ..) => a.as_ref().hash(state),
#[cfg(not(feature = "no_object"))]
Union::Map(ref m, _, ..) => m.as_ref().hash(state),
Union::FnPtr(ref f, _, ..) => f.hash(state),
Union::Map(ref m, ..) => m.as_ref().hash(state),
Union::FnPtr(ref f, ..) => f.hash(state),
#[cfg(not(feature = "no_closure"))]
#[cfg(not(feature = "sync"))]
Union::Shared(ref cell, _, ..) => (*cell.borrow()).hash(state),
Union::Shared(ref cell, ..) => (*cell.borrow()).hash(state),
#[cfg(not(feature = "no_closure"))]
#[cfg(feature = "sync")]
Union::Shared(ref cell, _, ..) => (*cell.read().unwrap()).hash(state),
Union::Shared(ref cell, ..) => (*cell.read().unwrap()).hash(state),
Union::Variant(ref v, _, ..) => {
Union::Variant(ref v, ..) => {
let _v = v;
#[cfg(not(feature = "only_i32"))]
@@ -546,25 +546,25 @@ impl fmt::Display for Dynamic {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self.0 {
Union::Unit(..) => write!(f, ""),
Union::Bool(ref v, _, ..) => fmt::Display::fmt(v, f),
Union::Str(ref v, _, ..) => fmt::Display::fmt(v, f),
Union::Char(ref v, _, ..) => fmt::Display::fmt(v, f),
Union::Int(ref v, _, ..) => fmt::Display::fmt(v, f),
Union::Bool(ref v, ..) => fmt::Display::fmt(v, f),
Union::Str(ref v, ..) => fmt::Display::fmt(v, f),
Union::Char(ref v, ..) => fmt::Display::fmt(v, f),
Union::Int(ref v, ..) => fmt::Display::fmt(v, f),
#[cfg(not(feature = "no_float"))]
Union::Float(ref v, _, ..) => fmt::Display::fmt(v, f),
Union::Float(ref v, ..) => fmt::Display::fmt(v, f),
#[cfg(feature = "decimal")]
Union::Decimal(ref v, _, ..) => fmt::Display::fmt(v, f),
Union::Decimal(ref v, ..) => fmt::Display::fmt(v, f),
#[cfg(not(feature = "no_index"))]
Union::Array(..) => fmt::Debug::fmt(self, f),
#[cfg(not(feature = "no_index"))]
Union::Blob(..) => fmt::Debug::fmt(self, f),
#[cfg(not(feature = "no_object"))]
Union::Map(..) => fmt::Debug::fmt(self, f),
Union::FnPtr(ref v, _, ..) => fmt::Display::fmt(v, f),
Union::FnPtr(ref v, ..) => fmt::Display::fmt(v, f),
#[cfg(not(feature = "no_std"))]
Union::TimeStamp(..) => f.write_str("<timestamp>"),
Union::Variant(ref v, _, ..) => {
Union::Variant(ref v, ..) => {
let _value_any = (***v).as_any();
let _type_id = _value_any.type_id();
@@ -621,7 +621,7 @@ impl fmt::Display for Dynamic {
#[cfg(not(feature = "no_closure"))]
#[cfg(not(feature = "sync"))]
Union::Shared(ref cell, _, ..) => {
Union::Shared(ref cell, ..) => {
if let Ok(v) = cell.try_borrow() {
fmt::Display::fmt(&*v, f)
} else {
@@ -630,7 +630,7 @@ impl fmt::Display for Dynamic {
}
#[cfg(not(feature = "no_closure"))]
#[cfg(feature = "sync")]
Union::Shared(ref cell, _, ..) => fmt::Display::fmt(&*cell.read().unwrap(), f),
Union::Shared(ref cell, ..) => fmt::Display::fmt(&*cell.read().unwrap(), f),
}
}
}
@@ -638,19 +638,19 @@ impl fmt::Display for Dynamic {
impl fmt::Debug for Dynamic {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self.0 {
Union::Unit(ref v, _, ..) => fmt::Debug::fmt(v, f),
Union::Bool(ref v, _, ..) => fmt::Debug::fmt(v, f),
Union::Str(ref v, _, ..) => fmt::Debug::fmt(v, f),
Union::Char(ref v, _, ..) => fmt::Debug::fmt(v, f),
Union::Int(ref v, _, ..) => fmt::Debug::fmt(v, f),
Union::Unit(ref v, ..) => fmt::Debug::fmt(v, f),
Union::Bool(ref v, ..) => fmt::Debug::fmt(v, f),
Union::Str(ref v, ..) => fmt::Debug::fmt(v, f),
Union::Char(ref v, ..) => fmt::Debug::fmt(v, f),
Union::Int(ref v, ..) => fmt::Debug::fmt(v, f),
#[cfg(not(feature = "no_float"))]
Union::Float(ref v, _, ..) => fmt::Debug::fmt(v, f),
Union::Float(ref v, ..) => fmt::Debug::fmt(v, f),
#[cfg(feature = "decimal")]
Union::Decimal(ref v, _, ..) => fmt::Debug::fmt(v, f),
Union::Decimal(ref v, ..) => fmt::Debug::fmt(v, f),
#[cfg(not(feature = "no_index"))]
Union::Array(ref v, _, ..) => fmt::Debug::fmt(v, f),
Union::Array(ref v, ..) => fmt::Debug::fmt(v, f),
#[cfg(not(feature = "no_index"))]
Union::Blob(ref v, _, ..) => {
Union::Blob(ref v, ..) => {
f.write_str("[")?;
v.iter().enumerate().try_for_each(|(i, v)| {
if i > 0 && i % 8 == 0 {
@@ -661,15 +661,15 @@ impl fmt::Debug for Dynamic {
f.write_str("]")
}
#[cfg(not(feature = "no_object"))]
Union::Map(ref v, _, ..) => {
Union::Map(ref v, ..) => {
f.write_str("#")?;
fmt::Debug::fmt(v, f)
}
Union::FnPtr(ref v, _, ..) => fmt::Debug::fmt(v, f),
Union::FnPtr(ref v, ..) => fmt::Debug::fmt(v, f),
#[cfg(not(feature = "no_std"))]
Union::TimeStamp(..) => write!(f, "<timestamp>"),
Union::Variant(ref v, _, ..) => {
Union::Variant(ref v, ..) => {
let _value_any = (***v).as_any();
let _type_id = _value_any.type_id();
@@ -726,7 +726,7 @@ impl fmt::Debug for Dynamic {
#[cfg(not(feature = "no_closure"))]
#[cfg(not(feature = "sync"))]
Union::Shared(ref cell, _, ..) => {
Union::Shared(ref cell, ..) => {
if let Ok(v) = cell.try_borrow() {
write!(f, "{:?} (shared)", *v)
} else {
@@ -735,7 +735,7 @@ impl fmt::Debug for Dynamic {
}
#[cfg(not(feature = "no_closure"))]
#[cfg(feature = "sync")]
Union::Shared(ref cell, _, ..) => fmt::Debug::fmt(&*cell.read().unwrap(), f),
Union::Shared(ref cell, ..) => fmt::Debug::fmt(&*cell.read().unwrap(), f),
}
}
}
@@ -1010,43 +1010,43 @@ impl Dynamic {
#[must_use]
pub(crate) const fn access_mode(&self) -> AccessMode {
match self.0 {
Union::Unit(.., _, access)
| Union::Bool(.., _, access)
| Union::Str(.., _, access)
| Union::Char(.., _, access)
| Union::Int(.., _, access)
| Union::FnPtr(.., _, access)
| Union::Variant(.., _, access) => access,
Union::Unit(.., access)
| Union::Bool(.., access)
| Union::Str(.., access)
| Union::Char(.., access)
| Union::Int(.., access)
| Union::FnPtr(.., access)
| Union::Variant(.., access) => access,
#[cfg(not(feature = "no_float"))]
Union::Float(.., _, access) => access,
Union::Float(.., access) => access,
#[cfg(feature = "decimal")]
Union::Decimal(.., _, access) => access,
Union::Decimal(.., access) => access,
#[cfg(not(feature = "no_index"))]
Union::Array(.., _, access) | Union::Blob(.., _, access) => access,
Union::Array(.., access) | Union::Blob(.., access) => access,
#[cfg(not(feature = "no_object"))]
Union::Map(.., _, access) => access,
Union::Map(.., access) => access,
#[cfg(not(feature = "no_std"))]
Union::TimeStamp(.., _, access) => access,
Union::TimeStamp(.., access) => access,
#[cfg(not(feature = "no_closure"))]
Union::Shared(.., _, access) => access,
Union::Shared(.., access) => access,
}
}
/// Set the [`AccessMode`] for this [`Dynamic`].
pub(crate) fn set_access_mode(&mut self, typ: AccessMode) -> &mut Self {
match self.0 {
Union::Unit(.., _, ref mut access)
| Union::Bool(.., _, ref mut access)
| Union::Str(.., _, ref mut access)
| Union::Char(.., _, ref mut access)
| Union::Int(.., _, ref mut access)
| Union::FnPtr(.., _, ref mut access)
| Union::Variant(.., _, ref mut access) => *access = typ,
Union::Unit(.., ref mut access)
| Union::Bool(.., ref mut access)
| Union::Str(.., ref mut access)
| Union::Char(.., ref mut access)
| Union::Int(.., ref mut access)
| Union::FnPtr(.., ref mut access)
| Union::Variant(.., ref mut access) => *access = typ,
#[cfg(not(feature = "no_float"))]
Union::Float(.., _, ref mut access) => *access = typ,
Union::Float(.., ref mut access) => *access = typ,
#[cfg(feature = "decimal")]
Union::Decimal(.., _, ref mut access) => *access = typ,
Union::Decimal(.., ref mut access) => *access = typ,
#[cfg(not(feature = "no_index"))]
Union::Array(ref mut a, _, ref mut access) => {
*access = typ;
@@ -1055,7 +1055,7 @@ impl Dynamic {
}
}
#[cfg(not(feature = "no_index"))]
Union::Blob(.., _, ref mut access) => *access = typ,
Union::Blob(.., ref mut access) => *access = typ,
#[cfg(not(feature = "no_object"))]
Union::Map(ref mut m, _, ref mut access) => {
*access = typ;
@@ -1064,9 +1064,9 @@ impl Dynamic {
}
}
#[cfg(not(feature = "no_std"))]
Union::TimeStamp(.., _, ref mut access) => *access = typ,
Union::TimeStamp(.., ref mut access) => *access = typ,
#[cfg(not(feature = "no_closure"))]
Union::Shared(.., _, ref mut access) => *access = typ,
Union::Shared(.., ref mut access) => *access = typ,
}
self
}
@@ -1081,17 +1081,17 @@ impl Dynamic {
pub fn is_read_only(&self) -> bool {
#[cfg(not(feature = "no_closure"))]
match self.0 {
Union::Shared(.., _, ReadOnly) => return true,
Union::Shared(.., ReadOnly) => return true,
#[cfg(not(feature = "sync"))]
Union::Shared(ref cell, _, ..) => {
Union::Shared(ref cell, ..) => {
return match cell.borrow().access_mode() {
ReadWrite => false,
ReadOnly => true,
}
}
#[cfg(feature = "sync")]
Union::Shared(ref cell, _, ..) => {
Union::Shared(ref cell, ..) => {
return match cell.read().unwrap().access_mode() {
ReadWrite => false,
ReadOnly => true,
@@ -1125,11 +1125,11 @@ impl Dynamic {
#[cfg(not(feature = "no_closure"))]
#[cfg(not(feature = "sync"))]
Union::Shared(ref cell, _, ..) => cell.borrow().is_hashable(),
Union::Shared(ref cell, ..) => cell.borrow().is_hashable(),
#[cfg(not(feature = "no_closure"))]
#[cfg(feature = "sync")]
Union::Shared(ref cell, _, ..) => cell.read().unwrap().is_hashable(),
Union::Shared(ref cell, ..) => cell.read().unwrap().is_hashable(),
_ => false,
}
@@ -1273,33 +1273,29 @@ impl Dynamic {
reify!(self, |v: T| return Some(v));
match self.0 {
Union::Int(v, ..) => reify!(v, |v: T| Some(v), || None),
Union::Int(v, ..) => reify!(v => Option<T>),
#[cfg(not(feature = "no_float"))]
Union::Float(v, ..) => reify!(*v, |v: T| Some(v), || None),
Union::Float(v, ..) => reify!(*v => Option<T>),
#[cfg(feature = "decimal")]
Union::Decimal(v, ..) => reify!(*v, |v: T| Some(v), || None),
Union::Bool(v, ..) => reify!(v, |v: T| Some(v), || None),
Union::Decimal(v, ..) => reify!(*v => Option<T>),
Union::Bool(v, ..) => reify!(v => Option<T>),
Union::Str(v, ..) => {
reify!(v, |v: T| Some(v), || {
reify!(v.to_string(), |v: T| Some(v), || None)
})
reify!(v, |v: T| Some(v), || reify!(v.to_string() => Option<T>))
}
Union::Char(v, ..) => reify!(v, |v: T| Some(v), || None),
Union::Char(v, ..) => reify!(v => Option<T>),
#[cfg(not(feature = "no_index"))]
Union::Array(v, ..) => reify!(v, |v: Box<T>| Some(*v), || None),
Union::Array(v, ..) => reify!(*v => Option<T>),
#[cfg(not(feature = "no_index"))]
Union::Blob(v, ..) => reify!(v, |v: Box<T>| Some(*v), || None),
Union::Blob(v, ..) => reify!(*v => Option<T>),
#[cfg(not(feature = "no_object"))]
Union::Map(v, ..) => reify!(v, |v: Box<T>| Some(*v), || None),
Union::FnPtr(v, ..) => reify!(v, |v: Box<T>| Some(*v), || None),
Union::Map(v, ..) => reify!(*v => Option<T>),
Union::FnPtr(v, ..) => reify!(*v => Option<T>),
#[cfg(not(feature = "no_std"))]
Union::TimeStamp(v, ..) => reify!(v, |v: Box<T>| Some(*v), || None),
Union::Unit(..) => reify!((), |v: T| Some(v), || None),
Union::Variant(v, _, ..) => (*v).as_boxed_any().downcast().ok().map(|x| *x),
Union::TimeStamp(v, ..) => reify!(*v => Option<T>),
Union::Unit(v, ..) => reify!(v => Option<T>),
Union::Variant(v, ..) => (*v).as_boxed_any().downcast().ok().map(|x| *x),
#[cfg(not(feature = "no_closure"))]
Union::Shared(..) => {
unreachable!("Union::Shared case should be already handled")
}
Union::Shared(..) => unreachable!("Union::Shared case should be already handled"),
}
}
/// Convert the [`Dynamic`] value into a specific type.
@@ -1384,10 +1380,10 @@ impl Dynamic {
match self.0 {
#[cfg(not(feature = "no_closure"))]
#[cfg(not(feature = "sync"))]
Union::Shared(ref cell, _, ..) => cell.borrow().clone(),
Union::Shared(ref cell, ..) => cell.borrow().clone(),
#[cfg(not(feature = "no_closure"))]
#[cfg(feature = "sync")]
Union::Shared(ref cell, _, ..) => cell.read().unwrap().clone(),
Union::Shared(ref cell, ..) => cell.read().unwrap().clone(),
_ => self.clone(),
}
}
@@ -1402,7 +1398,7 @@ impl Dynamic {
pub fn flatten(self) -> Self {
match self.0 {
#[cfg(not(feature = "no_closure"))]
Union::Shared(cell, _, ..) => crate::func::native::shared_try_take(cell).map_or_else(
Union::Shared(cell, ..) => crate::func::native::shared_try_take(cell).map_or_else(
#[cfg(not(feature = "sync"))]
|cell| cell.borrow().clone(),
#[cfg(feature = "sync")]
@@ -1425,7 +1421,7 @@ impl Dynamic {
pub(crate) fn flatten_in_place(&mut self) -> &mut Self {
match self.0 {
#[cfg(not(feature = "no_closure"))]
Union::Shared(ref mut cell, _, ..) => {
Union::Shared(ref mut cell, ..) => {
let cell = mem::take(cell);
*self = crate::func::native::shared_try_take(cell).map_or_else(
#[cfg(not(feature = "sync"))]
@@ -1457,7 +1453,7 @@ impl Dynamic {
pub fn is_locked(&self) -> bool {
#[cfg(not(feature = "no_closure"))]
match self.0 {
Union::Shared(ref _cell, _, ..) => {
Union::Shared(ref _cell, ..) => {
#[cfg(not(feature = "sync"))]
return _cell.try_borrow().is_err();
#[cfg(feature = "sync")]
@@ -1482,7 +1478,7 @@ impl Dynamic {
pub fn read_lock<T: Any + Clone>(&self) -> Option<DynamicReadLock<T>> {
match self.0 {
#[cfg(not(feature = "no_closure"))]
Union::Shared(ref cell, _, ..) => {
Union::Shared(ref cell, ..) => {
#[cfg(not(feature = "sync"))]
let value = cell.borrow();
#[cfg(feature = "sync")]
@@ -1517,7 +1513,7 @@ impl Dynamic {
pub fn write_lock<T: Any + Clone>(&mut self) -> Option<DynamicWriteLock<T>> {
match self.0 {
#[cfg(not(feature = "no_closure"))]
Union::Shared(ref cell, _, ..) => {
Union::Shared(ref cell, ..) => {
let guard = crate::func::native::locked_write(cell);
if (*guard).type_id() != TypeId::of::<T>()
@@ -1546,79 +1542,79 @@ impl Dynamic {
if TypeId::of::<T>() == TypeId::of::<INT>() {
return match self.0 {
Union::Int(ref v, _, ..) => v.as_any().downcast_ref::<T>(),
Union::Int(ref v, ..) => v.as_any().downcast_ref::<T>(),
_ => None,
};
}
#[cfg(not(feature = "no_float"))]
if TypeId::of::<T>() == TypeId::of::<crate::FLOAT>() {
return match self.0 {
Union::Float(ref v, _, ..) => v.as_ref().as_any().downcast_ref::<T>(),
Union::Float(ref v, ..) => v.as_ref().as_any().downcast_ref::<T>(),
_ => None,
};
}
#[cfg(feature = "decimal")]
if TypeId::of::<T>() == TypeId::of::<rust_decimal::Decimal>() {
return match self.0 {
Union::Decimal(ref v, _, ..) => v.as_ref().as_any().downcast_ref::<T>(),
Union::Decimal(ref v, ..) => v.as_ref().as_any().downcast_ref::<T>(),
_ => None,
};
}
if TypeId::of::<T>() == TypeId::of::<bool>() {
return match self.0 {
Union::Bool(ref v, _, ..) => v.as_any().downcast_ref::<T>(),
Union::Bool(ref v, ..) => v.as_any().downcast_ref::<T>(),
_ => None,
};
}
if TypeId::of::<T>() == TypeId::of::<ImmutableString>() {
return match self.0 {
Union::Str(ref v, _, ..) => v.as_any().downcast_ref::<T>(),
Union::Str(ref v, ..) => v.as_any().downcast_ref::<T>(),
_ => None,
};
}
if TypeId::of::<T>() == TypeId::of::<char>() {
return match self.0 {
Union::Char(ref v, _, ..) => v.as_any().downcast_ref::<T>(),
Union::Char(ref v, ..) => v.as_any().downcast_ref::<T>(),
_ => None,
};
}
#[cfg(not(feature = "no_index"))]
if TypeId::of::<T>() == TypeId::of::<crate::Array>() {
return match self.0 {
Union::Array(ref v, _, ..) => v.as_ref().as_any().downcast_ref::<T>(),
Union::Array(ref v, ..) => v.as_ref().as_any().downcast_ref::<T>(),
_ => None,
};
}
#[cfg(not(feature = "no_index"))]
if TypeId::of::<T>() == TypeId::of::<crate::Blob>() {
return match self.0 {
Union::Blob(ref v, _, ..) => v.as_ref().as_any().downcast_ref::<T>(),
Union::Blob(ref v, ..) => v.as_ref().as_any().downcast_ref::<T>(),
_ => None,
};
}
#[cfg(not(feature = "no_object"))]
if TypeId::of::<T>() == TypeId::of::<crate::Map>() {
return match self.0 {
Union::Map(ref v, _, ..) => v.as_ref().as_any().downcast_ref::<T>(),
Union::Map(ref v, ..) => v.as_ref().as_any().downcast_ref::<T>(),
_ => None,
};
}
if TypeId::of::<T>() == TypeId::of::<FnPtr>() {
return match self.0 {
Union::FnPtr(ref v, _, ..) => v.as_ref().as_any().downcast_ref::<T>(),
Union::FnPtr(ref v, ..) => v.as_ref().as_any().downcast_ref::<T>(),
_ => None,
};
}
#[cfg(not(feature = "no_std"))]
if TypeId::of::<T>() == TypeId::of::<Instant>() {
return match self.0 {
Union::TimeStamp(ref v, _, ..) => v.as_ref().as_any().downcast_ref::<T>(),
Union::TimeStamp(ref v, ..) => v.as_ref().as_any().downcast_ref::<T>(),
_ => None,
};
}
if TypeId::of::<T>() == TypeId::of::<()>() {
return match self.0 {
Union::Unit(ref v, _, ..) => v.as_any().downcast_ref::<T>(),
Union::Unit(ref v, ..) => v.as_any().downcast_ref::<T>(),
_ => None,
};
}
@@ -1627,7 +1623,7 @@ impl Dynamic {
}
match self.0 {
Union::Variant(ref v, _, ..) => (***v).as_any().downcast_ref::<T>(),
Union::Variant(ref v, ..) => (***v).as_any().downcast_ref::<T>(),
#[cfg(not(feature = "no_closure"))]
Union::Shared(..) => None,
_ => None,
@@ -1644,79 +1640,79 @@ impl Dynamic {
if TypeId::of::<T>() == TypeId::of::<INT>() {
return match self.0 {
Union::Int(ref mut v, _, ..) => v.as_any_mut().downcast_mut::<T>(),
Union::Int(ref mut v, ..) => v.as_any_mut().downcast_mut::<T>(),
_ => None,
};
}
#[cfg(not(feature = "no_float"))]
if TypeId::of::<T>() == TypeId::of::<crate::FLOAT>() {
return match self.0 {
Union::Float(ref mut v, _, ..) => v.as_mut().as_any_mut().downcast_mut::<T>(),
Union::Float(ref mut v, ..) => v.as_mut().as_any_mut().downcast_mut::<T>(),
_ => None,
};
}
#[cfg(feature = "decimal")]
if TypeId::of::<T>() == TypeId::of::<rust_decimal::Decimal>() {
return match self.0 {
Union::Decimal(ref mut v, _, ..) => v.as_mut().as_any_mut().downcast_mut::<T>(),
Union::Decimal(ref mut v, ..) => v.as_mut().as_any_mut().downcast_mut::<T>(),
_ => None,
};
}
if TypeId::of::<T>() == TypeId::of::<bool>() {
return match self.0 {
Union::Bool(ref mut v, _, ..) => v.as_any_mut().downcast_mut::<T>(),
Union::Bool(ref mut v, ..) => v.as_any_mut().downcast_mut::<T>(),
_ => None,
};
}
if TypeId::of::<T>() == TypeId::of::<ImmutableString>() {
return match self.0 {
Union::Str(ref mut v, _, ..) => v.as_any_mut().downcast_mut::<T>(),
Union::Str(ref mut v, ..) => v.as_any_mut().downcast_mut::<T>(),
_ => None,
};
}
if TypeId::of::<T>() == TypeId::of::<char>() {
return match self.0 {
Union::Char(ref mut v, _, ..) => v.as_any_mut().downcast_mut::<T>(),
Union::Char(ref mut v, ..) => v.as_any_mut().downcast_mut::<T>(),
_ => None,
};
}
#[cfg(not(feature = "no_index"))]
if TypeId::of::<T>() == TypeId::of::<crate::Array>() {
return match self.0 {
Union::Array(ref mut v, _, ..) => v.as_mut().as_any_mut().downcast_mut::<T>(),
Union::Array(ref mut v, ..) => v.as_mut().as_any_mut().downcast_mut::<T>(),
_ => None,
};
}
#[cfg(not(feature = "no_index"))]
if TypeId::of::<T>() == TypeId::of::<crate::Blob>() {
return match self.0 {
Union::Blob(ref mut v, _, ..) => v.as_mut().as_any_mut().downcast_mut::<T>(),
Union::Blob(ref mut v, ..) => v.as_mut().as_any_mut().downcast_mut::<T>(),
_ => None,
};
}
#[cfg(not(feature = "no_object"))]
if TypeId::of::<T>() == TypeId::of::<crate::Map>() {
return match self.0 {
Union::Map(ref mut v, _, ..) => v.as_mut().as_any_mut().downcast_mut::<T>(),
Union::Map(ref mut v, ..) => v.as_mut().as_any_mut().downcast_mut::<T>(),
_ => None,
};
}
if TypeId::of::<T>() == TypeId::of::<FnPtr>() {
return match self.0 {
Union::FnPtr(ref mut v, _, ..) => v.as_mut().as_any_mut().downcast_mut::<T>(),
Union::FnPtr(ref mut v, ..) => v.as_mut().as_any_mut().downcast_mut::<T>(),
_ => None,
};
}
#[cfg(not(feature = "no_std"))]
if TypeId::of::<T>() == TypeId::of::<Instant>() {
return match self.0 {
Union::TimeStamp(ref mut v, _, ..) => v.as_mut().as_any_mut().downcast_mut::<T>(),
Union::TimeStamp(ref mut v, ..) => v.as_mut().as_any_mut().downcast_mut::<T>(),
_ => None,
};
}
if TypeId::of::<T>() == TypeId::of::<()>() {
return match self.0 {
Union::Unit(ref mut v, _, ..) => v.as_any_mut().downcast_mut::<T>(),
Union::Unit(ref mut v, ..) => v.as_any_mut().downcast_mut::<T>(),
_ => None,
};
}
@@ -1725,7 +1721,7 @@ impl Dynamic {
}
match self.0 {
Union::Variant(ref mut v, _, ..) => (***v).as_any_mut().downcast_mut::<T>(),
Union::Variant(ref mut v, ..) => (***v).as_any_mut().downcast_mut::<T>(),
#[cfg(not(feature = "no_closure"))]
Union::Shared(..) => None,
_ => None,
@@ -1736,7 +1732,7 @@ impl Dynamic {
#[inline]
pub fn as_unit(&self) -> Result<(), &'static str> {
match self.0 {
Union::Unit(v, _, ..) => Ok(v),
Union::Unit(v, ..) => Ok(v),
#[cfg(not(feature = "no_closure"))]
Union::Shared(..) => self.read_lock().map(|v| *v).ok_or_else(|| self.type_name()),
_ => Err(self.type_name()),
@@ -1747,7 +1743,7 @@ impl Dynamic {
#[inline]
pub fn as_int(&self) -> Result<INT, &'static str> {
match self.0 {
Union::Int(n, _, ..) => Ok(n),
Union::Int(n, ..) => Ok(n),
#[cfg(not(feature = "no_closure"))]
Union::Shared(..) => self.read_lock().map(|v| *v).ok_or_else(|| self.type_name()),
_ => Err(self.type_name()),
@@ -1761,7 +1757,7 @@ impl Dynamic {
#[inline]
pub fn as_float(&self) -> Result<crate::FLOAT, &'static str> {
match self.0 {
Union::Float(n, _, ..) => Ok(*n),
Union::Float(n, ..) => Ok(*n),
#[cfg(not(feature = "no_closure"))]
Union::Shared(..) => self.read_lock().map(|v| *v).ok_or_else(|| self.type_name()),
_ => Err(self.type_name()),
@@ -1775,7 +1771,7 @@ impl Dynamic {
#[inline]
pub fn as_decimal(&self) -> Result<rust_decimal::Decimal, &'static str> {
match self.0 {
Union::Decimal(ref n, _, ..) => Ok(**n),
Union::Decimal(ref n, ..) => Ok(**n),
#[cfg(not(feature = "no_closure"))]
Union::Shared(..) => self.read_lock().map(|v| *v).ok_or_else(|| self.type_name()),
_ => Err(self.type_name()),
@@ -1786,7 +1782,7 @@ impl Dynamic {
#[inline]
pub fn as_bool(&self) -> Result<bool, &'static str> {
match self.0 {
Union::Bool(b, _, ..) => Ok(b),
Union::Bool(b, ..) => Ok(b),
#[cfg(not(feature = "no_closure"))]
Union::Shared(..) => self.read_lock().map(|v| *v).ok_or_else(|| self.type_name()),
_ => Err(self.type_name()),
@@ -1797,7 +1793,7 @@ impl Dynamic {
#[inline]
pub fn as_char(&self) -> Result<char, &'static str> {
match self.0 {
Union::Char(n, _, ..) => Ok(n),
Union::Char(n, ..) => Ok(n),
#[cfg(not(feature = "no_closure"))]
Union::Shared(..) => self.read_lock().map(|v| *v).ok_or_else(|| self.type_name()),
_ => Err(self.type_name()),
@@ -1812,7 +1808,7 @@ impl Dynamic {
#[inline]
pub(crate) fn as_str_ref(&self) -> Result<&str, &'static str> {
match self.0 {
Union::Str(ref s, _, ..) => Ok(s),
Union::Str(ref s, ..) => Ok(s),
#[cfg(not(feature = "no_closure"))]
Union::Shared(..) => panic!("as_str_ref() cannot be called on shared values"),
_ => Err(self.type_name()),
@@ -1831,16 +1827,16 @@ impl Dynamic {
#[inline]
pub fn into_immutable_string(self) -> Result<ImmutableString, &'static str> {
match self.0 {
Union::Str(s, _, ..) => Ok(s),
Union::Str(s, ..) => Ok(s),
#[cfg(not(feature = "no_closure"))]
Union::Shared(cell, _, ..) => {
Union::Shared(cell, ..) => {
#[cfg(not(feature = "sync"))]
let value = cell.borrow();
#[cfg(feature = "sync")]
let value = cell.read().unwrap();
match value.0 {
Union::Str(ref s, _, ..) => Ok(s.clone()),
Union::Str(ref s, ..) => Ok(s.clone()),
_ => Err((*value).type_name()),
}
}
@@ -1853,16 +1849,16 @@ impl Dynamic {
#[inline(always)]
pub fn into_array(self) -> Result<crate::Array, &'static str> {
match self.0 {
Union::Array(a, _, ..) => Ok(*a),
Union::Array(a, ..) => Ok(*a),
#[cfg(not(feature = "no_closure"))]
Union::Shared(cell, _, ..) => {
Union::Shared(cell, ..) => {
#[cfg(not(feature = "sync"))]
let value = cell.borrow();
#[cfg(feature = "sync")]
let value = cell.read().unwrap();
match value.0 {
Union::Array(ref a, _, ..) => Ok(a.as_ref().clone()),
Union::Array(ref a, ..) => Ok(a.as_ref().clone()),
_ => Err((*value).type_name()),
}
}
@@ -1875,7 +1871,7 @@ impl Dynamic {
#[inline(always)]
pub fn into_typed_array<T: Variant + Clone>(self) -> Result<Vec<T>, &'static str> {
match self.0 {
Union::Array(a, _, ..) => a
Union::Array(a, ..) => a
.into_iter()
.map(|v| {
#[cfg(not(feature = "no_closure"))]
@@ -1893,14 +1889,14 @@ impl Dynamic {
.collect(),
Union::Blob(..) if TypeId::of::<T>() == TypeId::of::<u8>() => Ok(self.cast::<Vec<T>>()),
#[cfg(not(feature = "no_closure"))]
Union::Shared(cell, _, ..) => {
Union::Shared(cell, ..) => {
#[cfg(not(feature = "sync"))]
let value = cell.borrow();
#[cfg(feature = "sync")]
let value = cell.read().unwrap();
match value.0 {
Union::Array(ref a, _, ..) => {
Union::Array(ref a, ..) => {
a.iter()
.map(|v| {
#[cfg(not(feature = "no_closure"))]
@@ -1932,16 +1928,16 @@ impl Dynamic {
#[inline(always)]
pub fn into_blob(self) -> Result<crate::Blob, &'static str> {
match self.0 {
Union::Blob(a, _, ..) => Ok(*a),
Union::Blob(a, ..) => Ok(*a),
#[cfg(not(feature = "no_closure"))]
Union::Shared(cell, _, ..) => {
Union::Shared(cell, ..) => {
#[cfg(not(feature = "sync"))]
let value = cell.borrow();
#[cfg(feature = "sync")]
let value = cell.read().unwrap();
match value.0 {
Union::Blob(ref a, _, ..) => Ok(a.as_ref().clone()),
Union::Blob(ref a, ..) => Ok(a.as_ref().clone()),
_ => Err((*value).type_name()),
}
}